The family tries to make the best of the Christmas season as they travel to New York City for Jen's hip replacement surgery.
After returning from New York City, Bill juggles taking care of the kids and helping Jen as she recovers from her surgery.
Bill and Will prepare for a Derby contest which is great father/son bonding but the pressure is on to win; Jen and Zoey take a spa day.
The Klein family celebrates Will's birthday at the Grand Prix races where his pirate ship sets off.
Bill recruits the kids to make handmade gifts for Jen's surprise birthday party while she and her parents visit her childhood home.
Bill and Jen take the kids to Holi Fest, a Hindu celebration of spring; the family tests out Pop-Pop's new boat.
Jen and Bill take Will and Zoey sailing; Will throws his friends a sleep-under and things get a little crazy.
Bill surprises the family with a fun, activity-packed camping trip; Jen worries about the dangers lurking in the Florida wilderness.
Zoey's dream comes true as she and her best friend have a special mermaid encounter; Bill and Jen throw a big summer party for all of their friends but have to scramble when an unexpected Florida rainstorm threatens to ruin their big event.
After accepting a job in St. Petersburg, Jen, Bill and the kids travel to Florida to find a perfect new home, but with specific needs and two curious kids, house hunting isn't easy; the family grabs a sweet treat to celebrate Jen's birthday.
Bill travels to Orlando to showcase his Pop-Up pee pad at a pet industry trade show; Jen teaches her last simulation class at Texas Children's Hospital; grandmother Judy helps Jen take care of Will and Zoey while Bill is away.
Tis the Season for family "firsts", as the kids meet Santa, decorate their own kid's tree (with lots of help from Dad), and even head to Vermont to experience snow for the first time!
Time is running out and the Kleins still haven't found a new home in Florida; as the move date approaches, they're starting to feel desperate; they need to find a new home, retrofit and sell their Texas house; to add the chaos, Jen's parents visit.
The house is empty and it's time to leave; three generations of Kleins are traveling and they plan on investigating the full spectrum of what the south has to offer; from the largest fire hydrant to the Café du Monde, the Kleins plan to hit it all.
The Kleins are at the homestretch of their trip and for their final stop, they visit a cavern; Zoey and Will are tempted to touch everything inside the caves; Bill supervises the house move-in, but Jen is forced to take over when she arrives.
The Klein family settles into life at their new house but they have a lot of decisions to make about renovations; they shop for lighting and plumbing fixtures and test some paint colors with the kids; then, it's time for some barbecue and pool fun.
It's family vacation time for the Kleins; Jen's parents and Aunt Barbara head up the Florida coast to visit Jen's sweet Great Uncle Ray; the family learns about sea turtle rescue, goes fishing, and celebrates Uncle Ray's 87th birthday.
The Kleins start settling into their home but abruptly have to leave town as Hurricane Irma comes barreling toward Florida; the family returns home to find out just how much damage Irma caused; Will checks into the hospital for a sleep study.
The renovations on the Kleins' new house are almost finished; with just last-minute touches to go, the family starts the colossal task of moving upstairs; Bill and Jen make good on their promise and take the kids to get some new pets.
The Kleins are headed back to China, but this time with all six grandparents in tow; Will and the family learn more about his birth country; Will takes part in a Confucius school and then the family tries a traditional Chinese meal.
The trip to China continues as the Klein family and all six grandparents visit the Forbidden City and take an immersive lesson in Chinese cooking; the family climbs to the top of the Great Wall and reflect on what life could have been without Will.
Jen becomes a keynote speaker for work in Scotland, so the whole family comes along, visiting a scotch distillery and a castle where Will and Zoey feel quite at home; Bill decides to try haggis against Jen's wishes.
The Klines are on a kilt quest to memorialize their visit to Scotland; upon arrival in London, Will and Zoey question a royal guard, ride the London Eye, partake in proper British tea and try to recreate the iconic Beatles "Abbey Road" cover.
Jen's nephew is getting baptized, and Jen and Bill have been chosen to be godparents; Will and Zoey surprise their uncle with a homemade birthday cake.
The Klines are in Washington to host an adoption gala; they visit Mt. Vernon for some historical fun, then head to the Oval Office; Zoey's 5th cupcake birthday is a huge success until a food fight breaks out.
The family has some last minute fun in Washington before heading to Delaware for Will and Zoey's yearly check-up with specialists; the entire family relives a tradition that brings both fond memories and tears.
When one of Jen's best friends from school comes to visit for the weekend, its constant and crazy fun as Will and Zoey bond with her children; the family heads out in their toy cars for a memorable Halloween night of trick-or-treating.
Bill wants a homemade dinner for his birthday and the team works to prepare the meal; when reading a story, Will shares some startling news that propels the family to talk about what it means to be little.
It's Christmas time and Bill goes all out with the decorations, much to Jen's dismay; Bill holds a pet adoption where Will and Zoey decide on a new puppy; family visits, toy drive shopping and letters to Santa keep everyone busy.
Will and Zoey experience snow for the first time in Vermont; Jen and Zoey carefully navigate the snow, but the boys throw caution to the wind; Will celebrates his birthday; Jen and Bill contemplate a decision that will change everything.
Bill heads to Houston to help his beloved city recover from Hurricane Harvey, and days later, the family get an unexpected blow from Hurricane Irma; the Kleins take a family vacation to Scotland.
Bill takes Will grocery shopping for his school lunch supplies; Jen and Zoey get manicures and back-to-school haircuts.
Will and Zoe have a swimming lesson; Jen works with the fire department and gets an invitation to visit a local fire station with the family; Will is beyond thrilled to meet real fire fighters and ride in a fire truck.
After a visit to the Houston Children's Museum, Bill focuses on the big dog fashion show his pet store is presenting.
The Klein-Arnold family has a garage sale to prepare for Jen's parents move to Florida; Will and Zoey set up a lemonade stand.
Jen and Bill have a hard time getting their kids to pose for a photo for the cover of their new book; the family heads to New Orleans where Jen is scheduled to give a speech.
Jen has a huge project at the hospital, so Bill takes the kids to a mini-bowling alley to give her some extra time at work.
The crew from "Jeopardy" visits the Texas Children's Hospital, and Jen films a spot as a guest clue presenter; when Jen goes to San Diego for business, Bill plays Mr. Mom for a long weekend.
Jen and Bill bring Zoey to her first Indian dance lesson; the family attends a Chinese lantern festival; Jen and Bill have a night out at a local escape room.
Bill and Jen answer questions and go over topics like parenting, issues from being little people, and having their own television show.
Will and Zoey help Bill recover; Bill and Jen spend time together on a trip; NASA's Johnson Space Center.
Trying extra curricular activities for Will and Zoey; Will joins Karate lessons while Zoey tries ballet; helping with a special project at home.
Jen is stepping aside to let Bill plan Will's birthday party; Jen's only task is to send out invitations, but she sends out the wrong address.
Jen and Bill have appointments with Dr. James Farmer, the orthopedic surgeon who operated on Bill's spine; they have a meeting with the publishers of their new book.
Highs and lows in the life of a little couple.
The family takes time away from its handheld screens to visit Jen's favorite beach in Galveston; Jen's six-month oncology check-up.
On the kids' first day of school, Jen's attempt at a picture results in a comical photo; when Will and Zoey take swim lessons, Will is like a fish in water but Zoey doesn't take to the pool.
Jen plans a farm-themed birthday party for Zoey's third birthday party; flying to Delaware for annual doctor's exams.
Bill is determined to have some Halloween fun with the kids before his back surgery so they head to a pumpkin patch.
Bill goes in for the surgery he has needed for two years; Will and Zoey go trick-or-treating for the first time.
Finally leaving for India to pick up Zoey; the couple has no idea new siblings WIll and Zoey will react to each other.
Jen starts to feel ill as the family travels to New Delhi; the family is forced into making a difficult decision.
While alone with the kids in India, Bill must finish up the final details of Zoey's adoption; facing a family crisis.
It is Bill and Jen's first holiday as parents and they are eager to make new memories; Jen's dad dresses up as Santa Claus for the kids.
Bill and Jen's household has changed dramatically and they strive to find balance between family time and medical necessity.
The couple looks back at the challenges they have faced with their new family, all while battling a rare cancer. Jen receives news from her oncologist.
Taking a trip to San Francisco; Jen is invited to give a speech; the family makes sure she follows the doctor's orders.
Bill takes Will to work so that Jen can spend some quality time with Zoey, which turns into a tea party.
Bill and Jen have a safari-themed birthday party at the zoo for Will's fourth birthday, and first in the U.S.
Will has his weekly speech therapy; Zoey gets basic health screenings; Jen sees a physical therapist to improve her strength.
Jenn and the hospital go public about her illness and successful treatment; Bill's mother gets to meet Zoe.
Bill attends a Pet Expo with his mother in law; Jen catches up at the hospital and watches the kids and dogs.
The Little Couple looks back on how their lives have changed, answering questions and sharing insight into parenting with rare behind the scene moments.
Bill teaches the kids the art of dyeing eggs while Jen does rounds at the hospital; the kids get dressed up and the family heads to a farm.
Jen thinks the family is going to Galveston for a beach vacation to celebrate her birthday, but Bill has a big surprise planned.
Jen decides to surprise Will with a new tricycle; Bill and Jen consider vehicle options for when they have two children.
Jen has some surprises planned for Bill's first Father's Day; Will is scheduled for medical procedures and Bill is surprised when they celebrate early.
Bill and Jen knew Will would be faced with various medical challenges and procedures; they are quickly learning that being a patient and being a parent of the patient feel very different.
The couple receives promising news from India about their pending adoption; Jen wants to get in more bonding time with Will before they add to their family.
Will navigates his new home with confidence; with the hazards of a pool Bill and Jen decide its time for him to learn to swim.
Bill and Jen make final preparations for their trip to India to finalize the adoption of a daughter, Zoey.